njrat | 1498ad3416f80ca9236279eca1c4ee2bce4373706b4f513ff80da22972fd4143

General

Target

Server.exe
Size

37KB
MD5

b91a5c7f8f93275cc9c9f6ae6718fef8
SHA1

71f1a9b3121dfa908a65c65e7ffe32e96ce525be
SHA256

1498ad3416f80ca9236279eca1c4ee2bce4373706b4f513ff80da22972fd4143
SHA512

88c3e586afbf2136eccaed6a9056d52d3ceddea8631d9e71df3caeb1372d9c03beaaa2c103fb2c8c5c0ab1a7279ad3ae69b1054881d15d3a490699207f31b28a
SSDEEP

384:g5waCiMGB63fbw6ZfrZUy8fiCH1OgmBeRcrAF+rMRTyN/0L+EcoinblneHQM3ep2:1a0DwODZX8fiCEdeWrM+rMRa8NuRWt

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

7.tcp.eu.ngrok.io:19688:9999

Mutex

4b6ded2c8a70c1b087e0b5124eef254e

Attributes

reg_key
4b6ded2c8a70c1b087e0b5124eef254e
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2824	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	MovaviVideoEditor.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	Server.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MovaviVideoEditor.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe
Token: 33	2764	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2764	MovaviVideoEditor.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2764	2204	Server.exe	30
PID 2204 wrote to memory of 2764	2204	Server.exe	30
PID 2204 wrote to memory of 2764	2204	Server.exe	30
PID 2204 wrote to memory of 2764	2204	Server.exe	30
PID 2764 wrote to memory of 2824	2764	MovaviVideoEditor.exe	31
PID 2764 wrote to memory of 2824	2764	MovaviVideoEditor.exe	31
PID 2764 wrote to memory of 2824	2764	MovaviVideoEditor.exe	31
PID 2764 wrote to memory of 2824	2764	MovaviVideoEditor.exe	31

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\MovaviVideoEditor.exe
  "C:\Users\Admin\AppData\Local\Temp\MovaviVideoEditor.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\MovaviVideoEditor.exe" "MovaviVideoEditor.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\MovaviVideoEditor.exe

Filesize
37KB

MD5
b91a5c7f8f93275cc9c9f6ae6718fef8

SHA1
71f1a9b3121dfa908a65c65e7ffe32e96ce525be

SHA256
1498ad3416f80ca9236279eca1c4ee2bce4373706b4f513ff80da22972fd4143

SHA512
88c3e586afbf2136eccaed6a9056d52d3ceddea8631d9e71df3caeb1372d9c03beaaa2c103fb2c8c5c0ab1a7279ad3ae69b1054881d15d3a490699207f31b28a

Download Submit
memory/2204-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

Filesize
4KB

Download
memory/2204-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-11-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-10-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-12-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-13-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-14-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-15-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads